$25$ points

$7.$ In at cache system we have the following atmbues: $256MB$ of physical memory space

$4MB$ of cacte $256KB$ per cache line

a$)$ Determine number of lines in eache.

b$)$ Determine the number of address bits out of the processor.

c$)$ Determine the number of bits needed for the block offiet section of the addresi.

d$)$ If our eache is $4-$way set associative, how many sets are there in the cache?

c$)$ How many bits are needed to select sets in this cache?

f$)$ Determine the number of bits of the tag, if $8-$way set assaciative cache is implemented